{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55975",
    "entityType": "User",
    "nonce": "0x2be7317885d0d5deafb89f2703de30be09d8b0059ac3dd367a55e6d93b18c3fc",
    "signature": "0x86d12af1f0864ea1bf67406f0e0f1dcf58de5d9d7aeff3fc81a7f89ac1f0e66c3d7e0abb3726b67b41d84a12f965b939732de141dc406623c954917297ae93661c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}